Thorp, Zachary W
Current rating: 1428
| Grand Prix Kansas City 2013 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 79 | Shade, Christian D (1500) | Lost 0-2 | -171464 |
| 2modern | 269 | Gottman, Tim (1480) | Lost 1-2 | -181446 |
| 3modern | 384 | Hermstedt, Aaron (1464) | Lost 0-2 | -181428 |
| 4modern | 40 | Jones, Joshua (1446) | Lost 0-2 | -171411 |
| 5modern | 413 | Christman, Chris (1427) | Won 2-1 | +181429 |
| 6modern | 350 | Crouse, Philip (1380) | Won 2-0 | +171446 |
| 7modern | 293 | North, Waymond (1464) | Lost 0-2 | -181428 |
| top | average opponent: 1451record: 2-5 | new rating: 1428 | ||
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Hashbarger, Erik G (1500) | Lost 1-2 | -191538 |
| 2sealed | 291 | Shaffer, Jacob (1482) | Lost 0-2 | -191519 |
| 3sealed | 361 | LaPlant, John (1499) | Lost 1-2 | -191500 |
| 4sealed | 407 | Zoole, Becky (1446) | Lost 1-2 | -191481 |
| top | average opponent: 1482record: 0-4 | new rating: 1481 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Stager, Mark A (1500) | Won 2-1 | +181518 |
| 2sealed | 69 | Gibbs, Tom (1525) | Lost 1-2 | -181500 |
| 3sealed | 221 | Young, Mark (1542) | Won 2-0 | +191519 |
| 4sealed | 147 | Maliszewski, Nathannael (1565) | Lost 0-2 | -171502 |
| 5sealed | 237 | Studley, James (1556) | Won 2-1 | +191521 |
| 6sealed | 167 | Clark, Brooks (1485) | Won 2-1 | +171538 |
| 7sealed | 139 | Soukup, Matt P (1536) | Won 2-0 | +181556 |
| 8sealed | 93 | Neal, Stephen (1530) | Won 2-0 | +181574 |
| 9sealed | 43 | Melnikow, Alex (1633) | Lost 1-2 | -171557 |
| top | average opponent: 1541record: 6-3 | new rating: 1557 | ||